What is sender reputation and how do you protect it?

Sender reputation is how trustworthy mailbox providers consider your sending domain and IP address, based on how your past email was received.

Gmail, Outlook, Yahoo and other providers decide whether your message goes to the inbox, the spam folder or nowhere, and your reputation weighs heavily in that decision. It is built from signals such as the bounce rate, spam complaints, spam trap hits, authentication (SPF, DKIM, DMARC) and how recipients engage with your mail.

Reputation is tracked for your sending domain and for the IP addresses you send from. It changes slowly: one bad campaign to an old list can undo months of good sending.

Google Postmaster Tools shows how Gmail sees your domain, and blacklist checks tell you whether you are listed somewhere.

With Easy Email Verification

Invalid addresses turn into hard bounces, one of the fastest ways to hurt a reputation. Bulk email verification removes them before a campaign; Blacklist Monitor and DMARC Monitor watch the other signals.

Check an address for freeClean a whole list

Related

  • Email deliverability: Email deliverability is the ability to get your messages into recipients' inboxes, as opposed to the spam folder or being rejected.
  • Spam trap: A spam trap is an email address that should never receive legitimate mail, used by mailbox providers and blocklist operators to identify senders with poor list practices.
  • Email blacklist (blocklist): An email blacklist, also called a blocklist or DNSBL, is a public list of IP addresses or domains associated with spam, which mail servers consult before accepting a message.
  • DMARC: DMARC (Domain-based Message Authentication, Reporting and Conformance) is a DNS policy that tells receivers what to do with email that fails authentication for your domain, and asks them to send you reports.
  • All glossary terms

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